中文XML论坛--xml+xsl树,带checkbox的问题

tree.xml

<?xml version="1.0" encoding="GB2312"?>
<?xml-stylesheet type='text/xsl' href='tree.xsl'?>
<TreeView>
  <Tree Text="根节点" id="0001">
   <Tree Text="1.1" id="0002" Expanded="true">
    <Tree Text="1.1.1" id="0003">
     <Tree Text="1.1.1.1" id="0004">
      <Tree  Text="1.1.1.1.1"   id="0004" />
      <Tree Text="1.1.1.1.2" id="0005"/>
     </Tree>
     <Tree Text="1.1.1.2" id="0006"/>
    </Tree>
    <Tree Text="1.1.2" id="0007"/>
   </Tree>
   <Tree Text="1.2" id="0008">
    <Tree Text="1.2.1" id="0009"/>
    <Tree Text="1.2.2" id="0010"/>
   </Tree>
  </Tree>
</TreeView>
=============================================
tree.xsl

<?xml version="1.0" encoding="gb2312"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/TR/WD-xsl">
<xsl:template match="/">
<HTML>
<HEAD>
<script>
<xsl:comment>
<![CDATA[
var CurrentNode = null;
var iconLeaf = "<span class='clsLeaf'>.</span>";
var iconExpand = "<span class='clsExpand'>-</span>";
var iconCollapse = "<span class='clsCollapse'>+</span>";

if (checkobj.checked==true)
{
checkobj.checked=false;
}
else
{
checkobj.checked=true;
}
}

function MouseDown(obj)
{
obj.className = "clsMouseDown";
}
function MouseUp(obj)
{
MouseOut(obj);
}
function Click(obj)
{
alert(obj.outerHTML);
//if(!obj.Checked)
//{

//if(CurrentNode != null)
//{

//CurrentNode.Checked = false;
//MouseOut(CurrentNode);
//}
//obj.Checked = true;
//CurrentNode = obj;
//}
//else
//obj.Checked = false;

//check_choose(obj.children[0])
//MouseOut(obj);
}
]]>
</xsl:comment>
</script>
<style>
<![CDATA[
BODY
{
cursor:default;
font-size:9pt;
background-color:#F1F1F1;
}
span
{
padding:2px 3px;
position:relative;
display:inline;
top:-2px;
height:17px;
border: solid 1px #f1f1f1;
}
span.clsLabel
{

}
SPAN.clsSpace
{
font-family:verdana;
position:relative;
padding:3px 2px;
top:0px;
width:17px;
margin:0px;
cursor:hand;
overflow:hidden;
}

span.clsSpace span
{
position:relative;
width:11px;
height:11px;
border:solid 1px black;
background-color:#ffffff;
}

SPAN.clsCollapse
{
line-height:6px;
font-size:9px;
overflow:hidden;
padding:1px;
}

SPAN.clsExpand
{
padding-left:1px;
overflow:hidden;
line-height:3px;
font-size:13px;
padding-top:3px;
}

SPAN.clsLeaf
{
overflow:visible;
font-size:9px;
line-height:3px;
padding: 1px 0px 0px 3px;
}

SPAN.clsMouseOver
{
background-color:#CCCCCC;
border:1px solid #999999;
}

SPAN.clsMouseDown
{
background-color:#999999;
border:1px solid #999999;
}

SPAN.clsCurrentHasFocus
{
background-color:#FFFFFF;
border:1px solid #999999;
}

SPAN.clsCurrentNoFocus
{
background-color:#F1F1F1;
border:1px solid #999999;
}

A
{
color:black;
text-decoration:none;

}

span.clsUnavailable
{
height:0px;
padding:0px;
top:0px;
border:none;
color:#888888;
}

.hide
{
display:none;
}

.shown
{
display:block;
margin-left:15px;
}

.deeptree IMG
{
position:relative;
cursor:hand;
top:-2px;
margin:0px;
padding:0px;
}

.treelabel
{
font-family:verdana;
font-size:70.5%;
color:white;
}

]]>
</style>
<TITLE></TITLE>
</HEAD>
<BODY>
<xsl:apply-templates select="/TreeView/Tree"/>
</BODY>
</HTML>

</xsl:template>
<xsl:template match="Tree">
<div class="clsItem" type="parent">
<xsl:if expr="this.hasChildNodes">
<xsl:choose>
<xsl:when test="@Expanded">
<xsl:attribute name="Expanded">
<xsl:value-of select="@Expanded"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise><xsl:attribute name="Expanded">false</xsl:attribute></xsl:otherwise>
</xsl:choose>
</xsl:if>
<span>
<xsl:if expr="this.hasChildNodes">
<xsl:attribute name="onclick">Expand(this)</xsl:attribute>
</xsl:if>
<xsl:attribute name="Class">clsSpace</xsl:attribute>
<xsl:choose>
<xsl:when expr="this.hasChildNodes">
<xsl:choose>
<xsl:when test="@Expanded">
<xsl:choose>
<xsl:when test="@Expanded[.='true']">
<span class='clsExpand'>-</span>
</xsl:when>
<xsl:otherwise><span class='clsCollapse'>+</span></xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise><span class='clsCollapse'>+</span></xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise><span class='clsLeaf'>.</span></xsl:otherwise>
</xsl:choose>
</span>
<span class='clsLabel' onmouseover="MouseOver(this)" onmouseout="MouseOut(this)" onmousedown="MouseDown(this)" onmouseup="MouseUp(this)">
<input type="checkbox" name="ck" value="{@id}" onclick="Click(this)"></input>
<xsl:attribute name="title"><xsl:value-of select="@id" /></xsl:attribute>
<xsl:choose>
<xsl:when test="@URL">
<a>
<xsl:choose>
<xsl:when test="@Target">
<xsl:attribute name="target"><xsl:value-of select="@Target" /></xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="target">_blank</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
<xsl:attribute name="Href">
<xsl:value-of select="@URL"/>
</xsl:attribute>
<xsl:value-of select="@id"/>
</a>
</xsl:when>

<xsl:otherwise><xsl:value-of select="@Text"/></xsl:otherwise>

</xsl:choose>
</span>
<xsl:if expr="this.hasChildNodes">
<div>
<xsl:choose>
<xsl:when test="@Expanded">
<xsl:choose>
<xsl:when test="@Expanded[.='true']">
<xsl:attribute name="class">shown</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="class">hide</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="class">hide</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
<xsl:choose>
<xsl:when test="@Expanded">
<xsl:attribute name="Expanded">
<xsl:value-of select="@Expanded"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise><xsl:attribute name="Expanded">false</xsl:attribute></xsl:otherwise>
</xsl:choose>

<xsl:apply-templates select="Tree"></xsl:apply-templates>

</div>
</xsl:if>
</div>
</xsl:template>
</xsl:stylesheet>
=============================

我的问题是如何生成checkbox的value,如：每个树节点对应xml的node的id (0001);因为我要保存他到数据库中


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